EP2742272B1 - Dispositif pour l'accumulation et la distribution de milieux liquides et/ou gazeux sous pression, ainsi que dispositif de transformation d'énergie de carburant et procédé pour le montage d'un dispositif pour l'accumulation et la distribution de milieux liquides et/ou gazeux sous pression - Google Patents

Dispositif pour l'accumulation et la distribution de milieux liquides et/ou gazeux sous pression, ainsi que dispositif de transformation d'énergie de carburant et procédé pour le montage d'un dispositif pour l'accumulation et la distribution de milieux liquides et/ou gazeux sous pression Download PDF

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Publication number
EP2742272B1
EP2742272B1 EP12745630.9A EP12745630A EP2742272B1 EP 2742272 B1 EP2742272 B1 EP 2742272B1 EP 12745630 A EP12745630 A EP 12745630A EP 2742272 B1 EP2742272 B1 EP 2742272B1
Authority
EP
European Patent Office
Prior art keywords
collar
wall
valve
media
attachment element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP12745630.9A
Other languages
German (de)
English (en)
Other versions
EP2742272A1 (fr
Inventor
Dragan Griebel
Thomas Lanzl
Alexander Oelschlegel
Markus FRIEDERICH
Franz Hofmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rehau Automotive SE and Co KG
Original Assignee
Rehau AG and Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE102011052490A external-priority patent/DE102011052490A1/de
Priority claimed from DE202012101004U external-priority patent/DE202012101004U1/de
Application filed by Rehau AG and Co filed Critical Rehau AG and Co
Publication of EP2742272A1 publication Critical patent/EP2742272A1/fr
Application granted granted Critical
Publication of EP2742272B1 publication Critical patent/EP2742272B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/056—Small (<1 m3)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602—Wall structures; Special features thereof
    • F17C2203/0604—Liners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602—Wall structures; Special features thereof
    • F17C2203/0612—Wall structures
    • F17C2203/0614—Single wall
    • F17C2203/0619—Single wall with two layers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0658—Synthetics
    • F17C2203/066—Plastics
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0658—Synthetics
    • F17C2203/0663—Synthetics in form of fibers or filaments
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0658—Synthetics
    • F17C2203/0675—Synthetics with details of composition
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0305—Bosses, e.g. boss collars
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0323—Valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/037—Quick connecting means, e.g. couplings
    • F17C2205/0373—Adapters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0388—Arrangement of valves, regulators, filters
    • F17C2205/0394—Arrangement of valves, regulators, filters in direct contact with the pressure vessel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2209/00—Vessel construction, in particular methods of manufacturing
    • F17C2209/21—Shaping processes
    • F17C2209/2109—Moulding
    • F17C2209/2127—Moulding by blowing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2209/00—Vessel construction, in particular methods of manufacturing
    • F17C2209/21—Shaping processes
    • F17C2209/2109—Moulding
    • F17C2209/2145—Moulding by rotation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2209/00—Vessel construction, in particular methods of manufacturing
    • F17C2209/22—Assembling processes
    • F17C2209/224—Press-fitting; Shrink-fitting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2209/00—Vessel construction, in particular methods of manufacturing
    • F17C2209/22—Assembling processes
    • F17C2209/228—Assembling processes by screws, bolts or rivets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2209/00—Vessel construction, in particular methods of manufacturing
    • F17C2209/23—Manufacturing of particular parts or at special locations
    • F17C2209/234—Manufacturing of particular parts or at special locations of closing end pieces, e.g. caps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/01—Pure fluids
    • F17C2221/012—Hydrogen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0107—Single phase
    • F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0146—Two-phase
    • F17C2223/0153—Liquefied gas, e.g. LPG, GPL
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/035—High pressure (>10 bar)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/036—Very high pressure (>80 bar)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/03—Dealing with losses
    • F17C2260/035—Dealing with losses of fluid
    • F17C2260/036—Avoiding leaks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/07—Applications for household use
    • F17C2270/0745—Gas bottles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/07—Applications for household use
    • F17C2270/0763—Fuel cells
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/32—Hydrogen storage

Definitions

  • the invention relates to a device for storing and dispensing liquid and / or gaseous media under pressure
  • a plastic media container accommodating the medium, at least one valve connection element connected to the media container and at least one valve element connectable to the valve connection element, the media container projecting outwardly Collar having a collar outer wall and a Krangeninnenwandung.
  • the upper end of the collar defines the free cross section of an opening of the media container, wherein the valve connection element is arranged in the region of this opening and the collar outer wall is enclosed by an inner wall of the valve connection element.
  • Such a device is for example from the EP 2 115 343 B1 known.
  • a portion of the valve element penetrates the opening and is enclosed by the collar inner wall.
  • O-ring seals are provided between this section and the collar inner wall. Due to the deformation properties of the O-rings, leakage of the medium should be permanently prevented.
  • the disadvantage here is that due to the dimensioning of the O-rings they achieve a seal between the portion of the valve element and the collar inner wall only in a very small, circular peripheral area.
  • At least one second O-ring is required in order to ensure permanent media tightness.
  • the O-rings also seal against the collar inner wall of the media container, so that a permanent tightness of the O-rings must be ensured compared to a plastic material, the long-term deformations with high probability lead to leaks.
  • the disadvantage here is that the chamfer of the frustoconical portion and the chamfer of the inner wall of the collar must be matched very closely to each other to ensure sufficient tightness to the effect that the pressurized medium is not between the clamping ring and the inner wall of the valve connection element and consequently between the inner wall of the valve connection element and the collar outer wall diffuses past or flows past and exits from the media container. Achieving a permanent tightness is particularly difficult if it - as in the case of the liner described here - is a simple plastic media container. Due to the applied between the collar made of plastic and the truncated cone-like section shear / compressive stress tends this material to avoid the applied thrust / compressive stress.
  • a disadvantage of the prior art is therefore that in particular for the permanent guarantee of a tightness between the valve connection element and the collar of the media container complex and in particular additional sealing element are necessary.
  • the invention is therefore based on the object, a device for storing and dispensing of liquid and / or gaseous media under pressure in such a way that it ensures an improved and permanent tightness with a smaller number of sealing elements.
  • At the collar outer wall at least one latching element can be arranged, preferably in the region of the upper end, which interacts with a latching counter element formed on the inner wall of the valve connection element in such a way that displacement of the collar relative to the valve connection element is impeded during assembly of the valve element.
  • at least one latching element can be arranged on the outer wall of the collar, preferably in the area of the upper end, which cooperates with a latching counter element formed on the inner wall of the valve connection element such that displacement of the collar relative to the valve connection element is prevented during assembly of the valve element.
  • the interference fit can be further enhanced, since then higher assembly forces are necessary to mount the valve element, but these higher assembly forces can not lead to an adverse displacement of the collar, as a displacement of the collar due to the locking element-locking counter-element pairing obstructed or is prevented.
  • the latching element can protrude in particular from the collar outer wall, so that the latching element can no longer retreat from the latching counter-element due to the compression section of the valve element introduced into the collar.
  • the locking counter-element protrude from the inner wall of the valve connecting element and the locking element by a recess in the collar outer wall or a passage in the collar, which extends to the collar outer wall, formed in which or in which the locking counter-element can engage.
  • the latching element is preferably formed integrally with the collar, for example mechanically formed therefrom (for example by milling) or already formed during the production of the media container.
  • the valve element can be constructed in several parts.
  • the valve element may consist of several segments.
  • the compression section can in particular on a separate be arranged first segment of the valve element.
  • the separate first segment may in particular be sleeve-shaped.
  • the multi-part structure is advantageous for the case of maintenance or repair of the device according to the invention, since possibly only a part or a segment of the valve element has to be replaced or maintained.
  • a sealing element preferably an O-ring is provided above the collar, which seals the valve connection element against the valve element.
  • the seal thus takes place between the valve connection element and the valve element and not between the valve connection element and the outer wall of the collar or between the valve element and the inner wall of the collar.
  • valve connection element and the valve element are formed from a metallic material. Such materials do not tend to creep at the operating temperatures of the device, so that an additional permanent seal is ensured by the direct sealing of this metallic valve connection element against the metallic valve element by means of a sealing element.
  • the sealing element can be fixed in position by a support element (eg a support ring).
  • the support element prevents a change in position of the sealing element into the gap between the valve element and the valve connection element during or during the use of the device.
  • the support element can prevent the sealing element from becoming detached from its receptacle (for example circumferential annular groove inside the valve element) on the valve element.
  • the support element is preferably located in the same receptacle as the sealing element.
  • the sealing element is preferably arranged on a separate second segment of the valve element. The sealing element can then advantageously be easier to change or maintain.
  • the quotient of the difference between the outer diameter of the compression section and the diameter of the collar inner wall with respect to the diameter of the collar inner wall in a range between 0.001 and 0.2, preferably between 0.01 and 0.15, more preferably between 0.02 and 0.1, more preferably between 0.04 and 0.08, more preferably between 0.05 and 0.07.
  • This quotient which can be labeled as an oversize, has an optimized value for these areas. These optimized values ensure acceptable assembly forces of the valve element with a permanent tight fit.
  • the compression section may have a cylindrical or frusto-conical geometry.
  • a cylindrical geometry has proven to be particularly preferred in the manufacture of such devices, since the tolerances to be met here can be most easily realized and adhered to.
  • a cylindrical geometry has a uniform interference fit and a uniform compressive stress distribution along the entire contact surface (sealing surface) between the compression section and collar inner wall.
  • the respective outside diameter of the compression section before valve element mounting is greater than the respective diameter of the inside wall of the collar - in the assembled state then corresponding or then opposite one another.
  • the valve connection element can have at least one defined irregularity.
  • This irregularity causes a punctiform and / or linear increase of the compressive stress and allows a further improvement of the sealing effect.
  • This irregularity may be, in particular, a surface irregularity.
  • Exemplary of a defined surface irregularity are selectively set roughness values, a defined introduced herringbone pattern, ribs or other formations on the inner wall or recesses in the inner wall.
  • the collar or the collar outer wall can also have at least one defined irregularity.
  • This irregularity causes a punctiform and / or linear increase of the compressive stress and allows a further improvement of the sealing effect.
  • This irregularity may in particular be a surface irregularity be.
  • Exemplary of a defined surface irregularity are selectively set roughness values, a defined introduced herringbone pattern, ribs or other formations or recesses on or in the collar outer wall and / or collar inner wall.
  • the defined irregularity and / or the defined surface irregularity is formed by a wavy collar in longitudinal section.
  • the collar can have a constant wall thickness.
  • the corrugated collar in longitudinal section may be formed wavy in a portion, segmentally or over the entire length of the collar. Due to the excess of the outer diameter of the compression section before the valve element assembly compared to the diameter of the collar inner wall of wavy in longitudinal section collar is largely smoothed so that no or a flattened compared to the initial state before the valve element assembly waveform is formed in longitudinal section.
  • a press fit with a higher compression can be achieved without increasing the mounting forces of the valve element to the same extent.
  • a crosslinked thermoplastic material preferably a crosslinked polyethylene for the media container - and consequently for the collar - the cross-linked thermoplastic material in temperature changes, especially in temperature increases, strive to take the original waveform again, so that when a temperature change, In particular, at a temperature increase also creates a self-sealing effect between the collar outer wall and the inner wall of the valve connection element.
  • This effect can be assisted by the fact that the inner wall of the valve connection element likewise has a defined surface irregularity, preferably in the form of ribs or formations, which are furthermore preferably arranged in a wave form.
  • the surface irregularity of the inner wall of the valve connection element is formed by ribs or formations which are arranged in a waveform, wherein the wavelength and / or amplitude of this waveform is chosen smaller than the wavelength and / or amplitude of the waved in longitudinal section collar.
  • a smaller wavelength of the surface irregularity of the inner wall of the valve connecting element, which is formed by ribs or formations, compared to the wavelength of the wavy collar in longitudinal section which are arranged in a waveform, advantageously ensures that at least one wave crest of the wavy longitudinal section collar is at least substantially opposite a wave crest of the inner wall and in this area locally a very high compression and a related further improved seal between Kragenau type involved and inner wall of the valve connection element ,
  • the media container outside the region of the collar with the valve connection element is firmly connected.
  • the media container is firmly connected to the valve connection element by means of a screw connection and / or by means of an adhesive layer.
  • the media container may be surrounded by a, preferably wound or braided, reinforcing layer.
  • a reinforcing layer is absolutely necessary.
  • the reinforcing layer may comprise filaments in the form of, for example, threads or fibers.
  • the filaments can be formed from carbon, glass, polyamide, mineral materials or a combination of the aforementioned materials.
  • Part of the invention is further a fuel energy conversion device with a fuel cell unit, at least one media connection line, at least one pressure reducer and at least one device according to the invention.
  • the media connection line can connect the device to the fuel cell unit in a media-conducting manner
  • the pressure reducer can be arranged in the direction of media flow in front of the fuel cell unit.
  • part of the invention is a motor vehicle with a device according to the invention and a motor vehicle with a fuel energy conversion device according to claim 16.
  • a method of assembling a device for storing and dispensing liquid and / or gaseous media under pressure comprises the following steps, the device comprising: a medium receiving medium container of a cross-linked one thermoplastic material, preferably of cross-linked polyethylene, at least one valve connection element, at least one valve element connectable to the valve connection element, wherein the medium container has an outwardly projecting collar with a collar outer wall and a collar inner wall and the upper end of the collar defines the free cross section of an opening of the media container, wherein the valve connection element is arranged in the region of this opening and the collar outer wall is enclosed by an inner wall of the valve connection element, and wherein the valve element has a compression portion which penetrates the opening and is enclosed by the collar inner wall, and wherein the compression portion is pressed into the opening due to an oversize is, so that both between the compression portion and the collar inner wall and between the collar outer wall and the valve connection element, a permanent Pre sssitz arises, which seals against the pressurized medium.
  • FIGS. 1 to 3 is an axial longitudinal section through a device according to the invention before and after the assembly of the valve element 3 is shown.
  • the device according to the invention for storing and dispensing liquid and / or gaseous media under pressure in this case has a medium-receiving media container 1 made of plastic.
  • the medium container 1 is preferably made by a blow molding method or a rotary method or a thermoforming method.
  • a valve connection element 2 is connected with the media container 1, a valve connection element 2 is connected.
  • the device furthermore has a valve element 3 which can be connected to the valve connection element 2 (cf. Fig. 1 ).
  • the media container 1 has an outwardly projecting collar 4 with a collar outer wall 5 and a collar inner wall 6.
  • the upper end 7 of the collar 4 defines the free cross-section of an opening 8 of the media container.
  • the valve connection element 2 is arranged in the region of this opening 8 and the collar outer wall 5 of an inner wall 9 of the valve connection element 2 enclosed.
  • the valve element 3 has a compression section 10. This is intended to penetrate the opening 8 and to be enclosed by the collar inner wall 6.
  • the media container 1 consists of a crosslinked thermoplastic, in this embodiment of crosslinked polyethylene of the type PE-Xa.
  • the outer diameter D of the Verpressungsabitess 10 is greater than the diameter d of the collar inner wall 6 before the valve element assembly (see. Fig. 1 ).
  • a sealing element 11 in the form of an O-ring 11 is provided, which seals the valve connection element 2 against the valve element 3.
  • the O-ring 11 is fixed in position by a support ring (not shown here).
  • the support ring prevents in pressing the O-ring 11 in the gap between the valve element 3 and valve connection element 2 and a fall out of the O-ring from its circumferential groove within the valve element 3.
  • the support ring is located in the same circumferential annular groove.
  • the compression section 10 has a cylindrical geometry. Above the collar 4 is a screw 12 between the valve element 3 and the valve connection element 2 (see. Fig. 3 ) intended.
  • the inner wall 9 of the valve connection element 2 has a defined irregularity in the form of a herringbone pattern (not shown in detail here).
  • the media container 1 is fixedly connected to the valve connection element 2 outside the region of the collar 4.
  • the media container 1 is fixedly connected to the valve connection element 2 by means of a screw connection 13a and by means of an adhesive layer 13b.
  • the media container 1 is surrounded by a wound or braided reinforcing layer 14.
  • the reinforcing layer 14 has filaments of threads or fibers, for example.
  • the filaments are formed in this embodiment of carbon.
  • Conceivable further materials of the filaments are glass, polyamide, mineral materials or a combination of all the aforementioned materials. That in the FIGS. 1 to 3 illustrated valve element 3 is integrally formed of a metallic material.
  • valve element 3 is also referred to as an on-tank valve (OTV for short).
  • the FIG. 4 shows a fuel energy conversion device according to the invention with a fuel cell unit 15, a media connection line 16, a pressure reducer 17 and a device according to the invention 18.
  • the media connection line 16 connects the device 18 media-conducting with the fuel cell unit 15. That is, via the media connection line 16 stored in the device 18 according to the invention Medium, preferably hydrogen, can flow to the fuel cell. Since the pressurized medium within the device 18 according to the invention is under a greatly increased pressure (in this embodiment hydrogen at 750 bar), is in the direction of media flow in front of the fuel cell unit 15, a pressure reducer 17 is arranged.
  • the converted in the fuel cell from the fuel (in this case, hydrogen) electrical energy is supplied via electrical connection lines 20 an electrical load 19 (eg, an electric motor) or an energy storage 19 (eg traction battery).
  • an electrical load 19 eg, an electric motor
  • an energy storage 19 eg traction battery
  • the device comprises: a plastic medium container 1 accommodating plastic, at least one valve connection element 2 connected to the medium container 1, at least one valve element 3, 3a, 3b connectable to the valve connection element 2.
  • the media container 1 has an outwardly projecting collar 4 with a collar outer wall 5 and a collar inner wall 6.
  • the upper end 7 of the collar 4 defines the free cross section of an opening 8 of the media container, wherein the valve connection element 2 is arranged in the region of this opening 8 and the collar outer wall 5 is enclosed by an inner wall 9 of the valve connection element 2.
  • the valve element 3, 3a has a compression section 10, which penetrates the opening 8 and is enclosed by the collar inner wall 6.
  • the valve element 3 is constructed in several parts.
  • the compression section 10 is arranged on a separate first segment 3 a of the valve element 3.
  • the media container 1 consists of a crosslinked thermoplastic, preferably of crosslinked polyethylene.
  • the outer diameter D of the compression section 10 of the first segment 3 a of the valve element 3 is greater than the diameter d of the collar inner wall 6 before valve element mounting, so that during assembly of the first segment 3 a of the valve element 3 both between the compression section 10 and the collar inner wall 6 and between the collar outer wall 5 and the inner wall 9 of the valve connection element 2, a permanent interference fit is formed, which seals the pressurized medium.
  • a sealing element 11, preferably an O-ring 11 is provided, which seals the valve connecting element 2 against the valve element 3, 3b.
  • the sealing element 11 is arranged on a separate second segment 3b of the valve element 3.
  • the quotient (Dd) / d of the difference (Dd) of the outer diameter D of the compression portion 10 of the first segment 3a of the valve element 3 and the diameter d of the collar inner wall 6 with respect to the diameter d of the collar inner wall 6 is in a range between 0.04 and 0.08.
  • the media container 1 is one of, preferably wound or braided, reinforcing layer 14 surrounded.
  • the reinforcing layer 14 has filaments, e.g. As threads or fibers.
  • Both the first segment 3a and the second segment 3b of the valve element 3 can be connected to the valve connection element 2 by means of a screw connection 12a, 12b.
  • a first screw connection 12a between the first segment 3a and the valve connection element 2 and a second screw connection 12b between the second segment 3b of the valve element 3 and the valve connection element 2 are provided above the collar 4.
  • the first segment 3a of the valve element 3 has a key receptacle 26 for an Allen key, by means of which the first segment 3a can be connected to the valve connection element 2 via the screw connection 12a.
  • the second segment 3b of the valve connection element 3 has an extension 25 of the media-carrying valve feedthrough, via which the medium can be discharged via the valve connection element 3 or 3b.
  • the extension 25 is formed so that it penetrates or passes through a continuous recess of the first segment 3 a of the valve connection element 3 and protrudes into the media container 1 in the installed state of the device so far that thermal loading of the device, in particular when refueling the media container 1 , is reduced.
  • the extension 25 projects beyond the first segment 3 a into the media container.
  • the lower end 27 of the extension 25 at least a distance greater than / equal to the outer diameter D of the first segment 3a of the valve connection element 3 from the first segment 3a spaced.
  • axial longitudinal sections through a further embodiment of a device according to the invention prior to assembly of the valve element 3 are shown.
  • a plurality of locking elements 40 are arranged on the collar outer wall 5 in the region of the upper end 7 (see detail illustration in FIG Fig. 7b ).
  • the locking elements 40 cooperate with formed on the inner wall 9 of the valve connecting element 2 locking counter-element 41 such that during assembly of the valve member 3, a displacement of the collar 4 is hindered or prevented relative to the valve connection element 2.
  • the interference fit can be further enhanced, since then higher assembly forces are necessary to mount the valve element 3, but these higher assembly forces can not lead to an adverse displacement of the collar 4, since a shift of the collar 4 due to the locking element-locking counter-element pairing obstructed or prevented.
  • the latching element 40 projects from the collar outer wall 5, so that the latching element 40 can no longer escape from the locking counter-element 41 (for example, a circumferential annular groove) due to the inserted into the opening 8 of the collar 4 compression portion 10 of the valve member 3.
  • the locking counter-element protrude from the inner wall 9 of the valve connection element 2 and the locking element, for example, by a recess in the collar outer wall 5 or a passage in the collar 4, which extends to the collar outer wall 5 may be formed in which or in which the locking counter-element can engage.
  • the locking element 40 is integrally formed with the collar 4 and the media container 1, for example mechanically formed from this (eg by milling) or already formed in the production of the media container 1.
  • the Fig. 8 shows an axial longitudinal section through the in Fig. 7a, 7b, 7c
  • the detent element 40 projects from the collar outer wall 5, so that the detent element 40 does not retreat from the detent counterpart element 41 due to the compression section 10 of the valve element 3 inserted into the opening 8 of the collar 4 can.
  • a compressive force occurs, which causes a displacement of the collar 4 relative to the valve connection element 2 in the direction of the media container 1, which in the worst case results in the collar 4 being pressed into the media container 1.
  • the valve element 3 during its assembly thus prevents itself that the collar 4 can be moved by preventing release of the locking element-locking counter-element pairing.
  • the collar 4 has at least one defined irregularity, which is designed as a defined surface irregularity.
  • This defined surface irregularity is formed by alternating formations and recesses on or in the collar outer wall 5 and collar inner wall 6.
  • the defined irregularity and / or the defined surface irregularity is formed by a collar 4 which is wavy in longitudinal section.
  • the collar 4 in this case has a constant wall thickness.
  • the inner wall 9 of the valve connection element 2 has a defined surface irregularity in the form of radially encircling ribs or formations, which likewise extend in a wave shape along the Extend opening 8.
  • the amplitude and / or the wavelength of this waveform on the inner wall 9 of the valve connection element 2 has a lower value than the amplitude and / or the wavelength of the wave-shaped collar 4. This ensures that at least one wave crest of the undulating collar a wave crest of the radially encircling Ribs or formations opposite.
  • the diameter d of the collar inner wall 6 is smaller than the outer diameter D of the compression section 10. To create a permanent interference fit is of course clear that the diameter d of the collar inner wall 6 is determined from the smallest inner diameter d.
  • the Fig. 11 shows an axial longitudinal section through the in the FIGS. 9a, b and Fig. 10 shown further embodiment of a device according to the invention, but after assembly of the valve connection element 2.
  • a screw 12 is provided between the valve element 3 and the valve connection element 2 above the collar 4. Due to the excess of the outer diameter D of the compression section 10 before the valve element assembly compared to the diameter d of the collar inner wall 6, this collar inner wall 6 is largely smoothed, so that no or a flattened waveform is formed in longitudinal section.
  • a cross-linked thermoplastic preferably a cross-linked polyethylene for the media container 1 - and thus for the collar 4 - the cross-linked thermoplastic material at temperature changes, especially at temperature increases, strive to take the original waveform again, so that when a temperature change, in particular a temperature rise, a self-sealing effect between the collar outer wall 5 and the inner wall 9 of the valve connection element 2 is formed.
  • This effect is assisted by the fact that the inner wall 9 of the valve connection element 2 likewise has a defined surface irregularity in the form of the ribs or formations, which are arranged in a wave form.
  • the pronounced of its old form crosslinked thermoplastic material in the collar region 4 is self-sealing in temperature changes, especially at temperature increases, in the spaces between the ribs or formations of the inner wall 9 of the valve connection element 2, so that a further improved sealing effect of the device according to the invention ,
  • a multi-part constructed valve element 3 according to the Fig. 5 and 6 exhibit.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Claims (18)

  1. Ensemble d'accumulation et de distribution de fluides sous pression, liquides et/ou gazeux, présentant :
    - un récipient (1) reprenant le fluide et constitué d'une matière synthétique thermoplastique réticulée, de préférence de polyéthylène réticulé,
    - au moins un élément (2) de raccordement de soupape raccordé au récipient (1) à fluide,
    - au moins un élément de soupape (3, 3a, 3b) apte à être relié à l'élément (2) de raccordement de soupape,
    le récipient (1) à fluide présentant un collet (4) débordant vers l'extérieur et doté d'une paroi extérieure (5) de collet et d'une paroi intérieure (6) de collet,
    l'extrémité supérieure (7) du collet (4) définissant la section transversale libre d'une ouverture (8) du récipient (1) à fluide,
    l'élément (2) de raccordement de soupape étant disposé au niveau de cette ouverture (8) et la paroi extérieure (5) du collet étant entourée par une paroi intérieure (9) de l'élément (2) de raccordement de soupape,
    l'élément de soupape (3, 3a) présentant une section de compression (10) qui traverse l'ouverture (8) et est entourée par la paroi intérieure (6) du collet, et
    le diamètre extérieur (D) de la section de compression (10) étant supérieur au diamètre (d) de la paroi intérieure (6) du collet avant le montage de l'élément de soupape,
    de telle sorte que lors du montage de l'élément de soupape (3), on obtienne un ajustement serré de manière durable, étanche vis-à-vis du fluide sous pression à la fois entre la section de compression (10) et la paroi intérieure (6) du collet et entre la paroi extérieure (5) du collet et la paroi intérieure (9) de l'élément (2) de raccordement de soupape.
  2. Ensemble selon la revendication 1, caractérisé en ce qu'au moins un élément d'encliquetage (40) qui coopère avec un élément complémentaire d'encliquetage (41) formé sur la paroi intérieure (9) de l'élément (2) de raccordement de soupape est disposé sur la paroi extérieure (5) du collet, de préférence au niveau de son extrémité supérieure (7), de telle sorte que lors du montage de l'élément de soupape (3, 3a), le collet (4) ne puisse glisser par rapport à l'élément (2) de raccordement de soupape.
  3. Ensemble selon l'une des revendications 1 ou 2, caractérisé en ce que le collet présente au moins une irrégularité définie et en particulier une irrégularité de surface définie.
  4. Ensemble selon la revendication 3, caractérisé en ce que l'irrégularité de surface définie est formée par des déformations ou des découpes réalisées sur la paroi extérieure du collet et/ou sur la paroi intérieure du collet.
  5. Ensemble selon les revendications 3 ou 4, caractérisé en ce que l'irrégularité définie et/ou l'irrégularité de surface définie sont formées par un collet ondulé dans le sens de sa longueur, le collet présentant de préférence une paroi d'épaisseur constante.
  6. Ensemble selon l'une des revendications précédentes, caractérisé en ce que l'élément de soupape (3) est réalisé en plusieurs pièces, la section de compression (10) étant disposée sur un premier segment (3a) séparé, en forme de manchon, de l'élément de soupape (3).
  7. Ensemble selon l'une des revendications précédentes, caractérisé en ce qu'au-dessus du collet (4) est prévu un élément d'étanchéité (11), de préférence un joint torique (11), qui assure l'étanchéité de l'élément (2) de raccordement de soupape vis-à-vis de l'élément de soupape (3).
  8. Ensemble selon les revendications 6 et 7, caractérisé en ce que l'élément d'étanchéité (11) est disposé sur un deuxième segment (3b), séparé, de l'élément de soupape (3).
  9. Ensemble selon l'une des revendications précédentes, caractérisé en ce que le quotient de la différence (D-d) entre le diamètre extérieur (D) de la section de compression (10) et le diamètre (d) de la paroi intérieure (6) du collet et le diamètre (d) de la paroi intérieure (6) du collet est compris entre 0,001 et 0,2, de préférence entre 0,01 et 0,15, de façon encore plus préférable entre 0,02 et 0,1, de façon encore plus préférable entre 0,04 et 0,08 et de façon encore plus préférable entre 0,05 et 0,07.
  10. Ensemble selon l'une des revendications précédentes, caractérisé en ce qu'aucun élément d'étanchéité distinct n'est prévu au niveau de la section de compression (10) et/ou de la paroi extérieure (5) du collet.
  11. Ensemble selon l'une des revendications précédentes, caractérisé en ce que la section de compression (10) présente une géométrie cylindrique ou tronconique.
  12. Ensemble selon l'une des revendications précédentes, caractérisé en ce qu'au-dessus du collet (4), un filet (12) est prévu entre l'élément de soupape (3) et l'élément (2) de raccordement de soupape.
  13. Ensemble selon l'une des revendications précédentes, caractérisé en ce que la paroi intérieure (9) de l'élément (2) de raccordement de soupape présente au moins une irrégularité définie.
  14. Ensemble selon l'une des revendications précédentes, caractérisé en ce que le récipient (1) à fluide est raccordé solidairement à l'élément (2) de raccordement de soupape à l'extérieur de la zone occupée par le collet (4).
  15. Ensemble selon l'une des revendications précédentes, caractérisé en ce que le récipient (1) à fluide est entouré par une couche d'armature (14), de préférence enroulée ou floquée.
  16. Ensemble de conversion énergétique d'un combustible présentant
    - une unité (15) à cellule à combustible,
    - au moins un conduit (16) de raccordement de fluide,
    - au moins un réducteur de pression (17) et
    - au moins un ensemble (18) selon l'une des revendications 1 à 18 qui précèdent,
    le conduit (16) de raccordement de fluide reliant hydrauliquement l'ensemble (18) à l'unité (15) de cellule à combustible et le réducteur de pression (17) étant disposé en amont de l'unité (15) de cellule à combustible dans la direction d'écoulement du fluide.
  17. Véhicule automobile doté d'un ensemble selon l'une des revendications 1 à 15 ou d'un ensemble de conversion énergétique d'un combustible selon la revendication 16.
  18. Procédé de montage d'un dispositif d'accumulation et de distribution de fluides sous pression, liquides et/ou gazeux, l'ensemble présentant :
    - un récipient (1) reprenant le fluide, en matière synthétique thermoplastique réticulée, de préférence en polyéthylène réticulé,
    - au moins un élément (2) de raccordement de soupape,
    - au moins un élément de soupape (3) apte à être relié à l'élément (2) de raccordement de soupape,
    le récipient (1) à fluide présentant un collet (4) débordant vers l'extérieur et doté d'une paroi extérieure (5) de collet et d'une paroi intérieure (6) de collet, et l'extrémité supérieure (7) du collet (4) définissant la section transversale libre d'une ouverture (8) du récipient (1) à fluide,
    l'élément (2) de raccordement de soupape étant disposé au niveau de cette ouverture (8) et la paroi extérieure (5) du collet étant entourée par une paroi intérieure (9) de l'élément (2) de raccordement de soupape,
    l'élément de soupape (3) présentant une section de compression (10) qui traverse l'ouverture (8) et est entourée par la paroi intérieure (6) du collet,
    la section de compression (10) étant comprimée dans l'ouverture (8) du fait de sa dimension supérieure, de telle sorte que l'on obtienne un ajustement serré de manière durable, étanche vis-à-vis du fluide sous pression à la fois entre la section de compression (10) et la paroi intérieure (6) du collet et entre la paroi extérieure (5) du collet et l'élément (2) de raccordement de soupape.
EP12745630.9A 2011-08-08 2012-08-01 Dispositif pour l'accumulation et la distribution de milieux liquides et/ou gazeux sous pression, ainsi que dispositif de transformation d'énergie de carburant et procédé pour le montage d'un dispositif pour l'accumulation et la distribution de milieux liquides et/ou gazeux sous pression Not-in-force EP2742272B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102011052490A DE102011052490A1 (de) 2011-08-08 2011-08-08 Vorrichtung zur Speicherung und Abgabe von flüssigen und/oder gasförmigen Medien unter Druck sowie Kraftstoffenergieumwandlungsvorrichtung und Verfahren zur Montage einer Vorrichtung zur Speicherung und Abgabe von flüssigen und/oder gasförmigen Medien unter Druck
DE202012101004U DE202012101004U1 (de) 2012-03-21 2012-03-21 Vorrichtung zur Speicherung und Abgabe von flüssigen und/oder gasförmigen Medien unter Druck sowie Kraftstoffenergieumwandlungsvorrichtung
PCT/EP2012/003272 WO2013020668A1 (fr) 2011-08-08 2012-08-01 Dispositif pour l'accumulation et la distribution de milieux liquides et/ou gazeux sous pression, ainsi que dispositif de transformation d'énergie de carburant et procédé pour le montage d'un dispositif pour l'accumulation et la distribution de milieux liquides et/ou gazeux sous pression

Publications (2)

Publication Number Publication Date
EP2742272A1 EP2742272A1 (fr) 2014-06-18
EP2742272B1 true EP2742272B1 (fr) 2016-04-20

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EP12745630.9A Not-in-force EP2742272B1 (fr) 2011-08-08 2012-08-01 Dispositif pour l'accumulation et la distribution de milieux liquides et/ou gazeux sous pression, ainsi que dispositif de transformation d'énergie de carburant et procédé pour le montage d'un dispositif pour l'accumulation et la distribution de milieux liquides et/ou gazeux sous pression

Country Status (2)

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EP (1) EP2742272B1 (fr)
WO (1) WO2013020668A1 (fr)

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WO2018060465A1 (fr) 2016-09-29 2018-04-05 Kautex Textron Gmbh & Co. Kg Récipient composite sous pression
DE102016218911B4 (de) 2016-09-29 2022-04-14 Kautex Textron Gmbh & Co. Kg Verbunddruckbehälter
WO2023072506A1 (fr) * 2021-10-28 2023-05-04 Robert Bosch Gmbh Système de stockage de gaz

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